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The way I find percentages is: To find 17% I: Find 10 percent, Then half the 10 percent, to get 5 percent which makes 15%. Then find a 5th of the 5 % and double it to make 17%
80%
20%
1 5th written as a percent = 20%1/5 * 100% = 20%
6
It is nitrogen.
The way I find percentages is: To find 17% I: Find 10 percent, Then half the 10 percent, to get 5 percent which makes 15%. Then find a 5th of the 5 % and double it to make 17%
60%
80%
20%
20% is 1/5th
Calcium is the 5th most abundant element of human body and makes of 1.5 % of it by mass. 99% of calcium is found in teeth and bones.
1/5th
1 5th written as a percent = 20%1/5 * 100% = 20%
ammonia
Silver
It is indium(In) which is in 5th period in group IIIA (or group 13).